nav {
  height: 5rem;
  padding: 0 1.5rem;
  background-image: linear-gradient(#fff, #ccc);
}
nav a {
  font-size: 1.8rem;
  line-height: 5rem;
}
nav .navright {
  width: 8rem;
  height: 4rem;
  float: right;
  text-align: center;
  border-radius: 0.7rem;
  line-height: 4rem;
  margin-top: 0.5rem;
  border: 1px solid #ccc;
  background-image: linear-gradient(#ccc, #fff);
}
main ul {
  padding-top: 1.2rem;
}
main ul li a {
  display: flex;
  padding: 3%;
  justify-content: space-around;
}
main ul li a img {
  width: 25%;
  height: 25%;
}
main ul li a div {
  width: 70%;
  color: #666;
  position: relative;
}
main ul li a div b {
  font: 2rem/2rem '';
}
main ul li a div em {
  font: 1.8rem/15rem '';
}
main ul li a div span {
  font: 1.8rem/15rem '';
}
main ul li a div i {
  font: 1.8rem/15rem '';
  margin-right: 1rem;
  float: right;
}
section#changePage {
  display: flex;
  justify-content: space-around;
  padding: 1rem 0;
}
section#changePage button {
  height: 5rem;
  width: 10rem;
  font-size: 1.8rem;
  border: 1px solid #ccc;
  border-radius: 0.6rem;
  background-image: linear-gradient(#fff, #f4f4f4);
}
section#changePage select {
  width: 10rem;
  text-align: center;
  border: 1px solid #cccccc;
  font-size: 1.8rem;
  border-radius: 5%;
}
